The Afternoon Tea Express - S17-E26
Continuity mistake: In the shot of Stephen at the dairy, one of the trucks is in the front and the other one is at the back. But in the shot when Stephen is out and about, the first one is at the far back and the other truck is at the front, but later, the trucks go back to their original positions.
Kevin's Cranky Friend - S17-E1
Continuity mistake: Throughout most of the episode, Cranky's ladder is on the wrong side.
Kevin's Cranky Friend - S17-E1
Continuity mistake: After Sir Topham Hatt leaves the docks, Henry disappears.
Continuity mistake: UK Only: When Luke is coupled up to Skarloey's train, he has 5 trucks and a white brake van. When the deer jumps in his cab, the brake van disappears. And when Luke is heading towards the Castle, he has a brown brake van.
Continuity mistake: At the beginning of the episode, Henry is pulling trucks and Hiro is pulling nothing. In the next shot, Henry is pulling nothing and Hiro is pulling flatbeds.
Santa's Little Engine - S17-E18
Continuity mistake: The sleigh leaves tracks in the snow behind when it slides down the hill. When Thomas races towards the sleigh, the Snow Tracks disappear.
Answer: Butch the breakdown truck must have pulled Gordon's tender all the way up the rails so the breakdown train can reach it and also Butch helped to get Gordon close to the winch.